From: Stanislav Kinsburskii <stanislav.kinsburs...@gmail.com>
These helper function - virt_to_phys - doesn't need the address pointer to
be mutable.
In the same time expecting it to be mutable leads to the following build
warning for constant pointers:
warning: passing argument 1 of ‘virt_to_phys’ discards ‘const’ qualifier from
pointer target type
Signed-off-by: Stanislav Kinsburskii <stanislav.kinsburs...@gmail.com>
CC: Michael Ellerman <m...@ellerman.id.au>
CC: Nicholas Piggin <npig...@gmail.com>
CC: Christophe Leroy <christophe.le...@csgroup.eu>
CC: Geert Uytterhoeven <ge...@linux-m68k.org>
CC: Bjorn Helgaas <bhelg...@google.com>
CC: Stanislav Kinsburskii <stanislav.kinsburs...@gmail.com>
CC: Arnd Bergmann <a...@arndb.de>
CC: linuxppc-dev@lists.ozlabs.org
CC: linux-ker...@vger.kernel.org
---
arch/powerpc/include/asm/io.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/include/asm/io.h b/arch/powerpc/include/asm/io.h
index f1e657c9bbe8..c287eeb9536f 100644
--- a/arch/powerpc/include/asm/io.h
+++ b/arch/powerpc/include/asm/io.h
@@ -959,7 +959,7 @@ extern void __iomem *__ioremap_caller(phys_addr_t, unsigned
long size,
* almost all conceivable cases a device driver should not be using
* this function
*/
-static inline unsigned long virt_to_phys(volatile void * address)
+static inline unsigned long virt_to_phys(const volatile void * address)
{
WARN_ON(IS_ENABLED(CONFIG_DEBUG_VIRTUAL) && !virt_addr_valid(address));
